31898000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:453

約数の個数: 80

約数和(自身を含む): 79213680

約数和(自身を除く): 47315680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 389, 400, 410, 500, 656, 778, 820, 1000, 1025, 1556, 1640, 1945, 2000, 2050, 3112, 3280, 3890, 4100, 5125, 6224, 7780, 8200, 9725, 10250, 15560, 15949, 16400, 19450, 20500, 31120, 31898, 38900, 41000, 48625, 63796, 77800, 79745, 82000, 97250, 127592, 155600, 159490, 194500, 255184, 318980, 389000, 398725, 637960, 778000, 797450, 1275920, 1594900, 1993625, 3189800, 3987250, 6379600, 7974500, 15949000, 31898000]

約数ペア:

[(1, 31898000), (2, 15949000), (4, 7974500), (5, 6379600), (8, 3987250), (10, 3189800), (16, 1993625), (20, 1594900), (25, 1275920), (40, 797450), (41, 778000), (50, 637960), (80, 398725), (82, 389000), (100, 318980), (125, 255184), (164, 194500), (200, 159490), (205, 155600), (250, 127592), (328, 97250), (389, 82000), (400, 79745), (410, 77800), (500, 63796), (656, 48625), (778, 41000), (820, 38900), (1000, 31898), (1025, 31120), (1556, 20500), (1640, 19450), (1945, 16400), (2000, 15949), (2050, 15560), (3112, 10250), (3280, 9725), (3890, 8200), (4100, 7780), (5125, 6224)]